What these ladies wore for the event? Joanna flaunted her bod in a custom designed dress by Michael Costello, a crystal clutch from Kamal Beverly Hills, and Dior shoes. As for Cheryl? She also looked fab in a black and metallic minidress with chunky black heels.

"Off to the @MaximMag #Hot100 party with @kym_johnson! Outfit approved?" she wrote on Twitter. We give it a 10!

Click through the gallery to see which celebs stepped out for the event. Which outfits do you like the most? Sound off in the comments.